Administradores de rede, aí vai uma lista de servidores proxy que permitem que o funcionário dentro de uma empresa se logue em alguns sites que são restritos, como MSN, Orkut, etc.

http://www.snoopblocker.com
http://www.pproxy.com
http://www.nopath.com
http://anonymouse.ws/anonwww.html
http://www.megaproxy.com/freesurf/
http://www8.tok2.com/home2/masao/CGIPROXY/web_proxy.cgi
http://www.fireprox.com/index.php
http://www.vtunnel.com/
https://www.spynot.com/loginsp.asp
http://www.fsurf.com/
http://aicosoft.3322.org/msn/
http://www.onlinemessenger.nl/
http://www.3proxy.com/
http://www.euproxy.com
http://www.torperkut.com
http://www.torperkut.com.br
http://www.orkutando.net
http://kupu-jb.com/util2/web_proxy.cgi
http://kerappo.net/proxy/web_proxy.cgi
http://www3.torpekut.com
http://www.theorkut.rg3.net/
http://www.secure.pimpmyip.com/
http://kpx.sytes.net
http://www.vivovantagens.cjb.net
http://www.proxy3.com
http://anonymizer.com http://168.143.113.10 EUA, San Leandro-CA
http://anticomintern.jp.land.to/cgi-bin/webproxy/web_proxy.cgi http://219.117.236.146 Japão
http://antio.co.uk URL não existe mais
http://arkansa.e-messenger.net URL não existe mais
http://arrow.or.tv/proxy/web_proxy.cgi http://210.166.236.202 Japão
http://atlanta.e-messenger.net http://193.238.160.71 Alemanha
http://audiowatcher.msn.com URL não existe mais
http://balancer.iloveim.com/servlets/login http://72.36.146.46 EUA, Dallas-TX
http://bombay.e-messenger.net http://193.238.160.62 Alemanha
http://boston.e-messenger.net http://193.238.160.73 Alemanha
http://browseatwork.com http://67.15.221.2 EUA
http://capetown.e-messenger.net http://193.238.160.62 Alemanha
http://chicago.e-messenger.net http://193.238.160.75 Alemanha
http://cs.whho.net http://72.36.138.83 EUA, Dallas-TX
http://filter.msn.com http://65.54.206.115 EUA, Redmond-DC
http://g18c.mydns.jp/cgi-bin/web_proxy/web_proxy.cgi URL não existe mais
http://hohohoi.net/cgi-bin/xy/web_proxy.cgi URL não existe mais
http://houston.e-messenger.net/servlet/login URL não existe mais
http://ibypass.com http://69.50.171.200 EUA, Covina-CA
http://indianproxy.com http://70.86.16.130 EUA
http://jabber.meta.net.nz/webmsg/register.php http://203.97.93.14 Nova Zelândia - Auckland
http://kanako.at.infoseek.co.jp/cgi-bin/web_proxy.cgi http://210.148.115.140 Japão
http://kickme.to/msnmessenger2go http://64.235.234.138 EUA, Califórnia
http://Kproxy.com/principal.jsp http://216.17.105.25 EUA, San Diego-CA
http://kupu-jp.com/util2/web_proxy.cgi http://202.222.28.195 Japão
http://linux.mty.itesm.mx/jabber/chat/ http://131.178.5.153 México, Monterrey
http://mbm3550nl1n3.siteburg.com/ http://198.173.4.9 EUA, Englewood-CO
http://mikuni-love.net/cgi-bin/webproxy/web_proxy.cgi http://69.25.142.10 EUA, Washington
http://mob.e-messenger.net http://193.238.160.69 Alemanha
http://msn.audiowatcher.com http://64.92.172.107 EUA, Dallas-TX
http://msn2go.com.br http://72.29.84.79 EUA, Orlando-FL
http://onlinemessenger.nl/ http://194.109.193.91 Holanda, Amsterdã
http://ore.to/~sakura/cgi-bin/temp/wp/web_proxy.cgi http://210.166.214.102 Japão
http://orkut.pentium5.cc http://198.175.98.50 EUA, Santa Clara-CA
http://piglet-im.com http://213.201.163.62 Holanda, Amsterdã
http://poloicq.cjb.net http://216.194.70.4 Canadá, Avon
http://popup8.tok2.com/home2/esexy/cgi-bin/cgi3/web_proxy.cgi http://58.12.121.25 Japão
http://pretoria.e-messenger.net URL não existe mais
http://proxy.org/ http://69.72.158.100 EUA, New Jersey
http://server2.msnger.com http://72.36.146.43 EUA, Dallas-TX
http://siobaru.ddo.jp/pro/web_proxy.cgi http://210.252.133.23 Japão, Fukuoka
http://steru123.s70.xrea.com/webproxy/web_proxy.cgi http://210.153.88.114 Japão
http://teser.sakura.ne.jp/wp/web_proxy.cgi http://210.188.224.131 Japão
http://thevirtualbrowser.com http://69.56.221.154 EUA
http://trick.zapto.org/web_proxy/web_proxy.cgi http://8.4.86.171 EUA
http://vicotria.e-messenger.net http://193.238.160.62 Alemanha
http://webmessenger.msn.com http://65.54.239.142 EUA, Redmond-DC
http://webproxy.kaxy.com http://64.128.190.246 EUA, Los Angeles-CA
http://wgoal.com/proxy/web_proxy.cgi http://61.211.239.194 Japão
http://wm.jabbernet.dk http://81.7.132.92 Dinamarca, Copenhague
http://wproxy.com - dica do Raimundo Aurizé, no Orkut http://64.92.165.219 EUA, Snowshoe-WV
http://www.aerosky.net/~mach/webproxy/web_proxy.cgi http://221.186.150.244 Japão, Tóquio
http://www.age.jp/~melotron/cgi-bin/proxy/web_proxy.cgi http://203.140.25.93 Japão
http://www.anonster.com http://209.59.174.210 EUA
http://www.anonym.to http://80.190.192.48 Alemanha
http://www.antion.co.uk http://212.227.62.18 Alemanha
http://www.bhi.com.br/teste http://67.15.156.130 EUA
http://www.blockedsuks.co.nr http://82.146.34.249 Luxemburgo
http://www.Bproxy.com URL não existe mais
http://www.browseatwork.com http://67.15.221.2 EUA
http://www.centova.net http://72.36.155.45 EUA, Dallas-TX
http://www.cgi-proxy.net/ http://64.21.87.206 EUA, Nova Yorque-NY
http://www.chat-sigilo.kit.net http://201.7.184.2 Brasil.
http://www.chrishemple.co.uk/proxy http://69.30.208.112 EUA
http://www.clientless.net http://66.226.14.81 EUA, Califórnia
http://www.douradina.pr.gov.br/jacare http://201.25.159.122 Brasil.
http://www.e-messenger.cl http://200.73.10.171 Chile
http://www.e-messenger.net http://193.238.160.62 Alemanha
http://www.filter2005.com URL não existe mais
http://www.filterxp.com URL não existe mais
http://www.freepgs.com/defilter http://64.193.110.130 EUA, Las Vegas-NE
http://www.guardster.com http://67.15.62.43 EUA
http://www.hidemyass.com/ http://72.232.10.226 EUA, Dallas-TX
http://www.hmfarm.kit.net http://201.7.184.2 Brasil.
http://www.ibypass.com http://69.50.171.200 EUA, Covina-CA
http://www.ibypass.org http://69.50.171.200 EUA, Covina-CA
http://www.iloveim.com http://216.32.66.234 EUA, Dallas-TX
http://www.imaginarlo.com http://82.98.135.43 Espanha
http://www.jaimy.us http://66.33.205.190 EUA, Huntington Park-CA
http://www.jeegol.com http://205.234.213.192 EUA
http://www.kolikoli.tk http://62.129.131.38 Holanda, Amsterdã
http://www.kproxy.com http://66.225.220.127 EUA, Chicago-IL
http://www.mangeloo.com http://193.238.160.68 Alemanha
http://www.mastaline.com http://83.172.138.12 Holanda, Amsterdã
http://www.maxpax.net URL não existe mais
http://www.meebo.com http://69.36.226.134 EUA, Connecticut
http://www.messbrasil.com.br http://200.42.38.151 Argentina, Buenos Aires
http://www.messenger-online.com/emessenger.php http://87.239.8.21 indeterminado
http://www.momo.dyndns.org/webproxy/web_proxy.cgi http://220.7.156.84 Japão
http://www.mozilla.com http://80.245.197.244 Austria
http://www.msn2go.com http://64.92.173.122 EUA, Dallas-TX
http://www.msn2go.com.br http://72.29.84.79 EUA, Orlando-FL
http://www.msnanywhere.com http://82.195.155.5 Irlanda
http://www.msnger.com http://216.32.66.234 EUA, Dallas-TX
http://www.myg.or.jp/wproxy/web_proxy.cgi http://61.199.224.194 Japão, Chennai
http://www.nopath.com/ http://65.110.6.34 Canadá, Vancouver
http://www.nurs.or.jp/~sandy/cgi-bin/prox2/web_proxy.cgi http://219.106.243.202 Japão, Tóquio
http://www.onlinemessenger.nl http://194.109.193.91 Holanda, Amsterdã
http://www.orcit.com http://64.233.171.86 EUA, Mountain View
http://www.orcut.com http://64.233.171.85 EUA, Mountain View
http://www.orkat.com http://64.233.171.85 EUA, Mountain View
http://www.orkat.tz4.com http://216.67.250.202 EUA, Nova Jersey
http://www.orku.com.br http://66.197.169.117 EUA
http://www.orkut.com/Home.aspx?xid=3099332621826329529 http://64.233.171.85 EUA, Mountain View
http://www.orkutproxy.com URL não existe mais
http://www.phonefox.com http://193.238.160.84 Alemanha
http://www.piglet.0900provider.nl http://213.201.163.62 Holanda, Amsterdã
http://www.piglet-im.com http://213.201.163.62 Holanda, Amsterdã
http://www.pimpmyip.com http://69.57.177.138 EUA, Nova Jersey
http://www.pikki.mydns.jp/cgi-bin/www/proxy/web_proxy.cgi http://222.147.35.196 Japão
http://www.poloicq.cjb.net http://216.194.70.4 Canadá, Avon
http://www.polokut.cjb.net http://216.194.70.4 Canadá, Avon
http://www.proxify.com http://69.72.202.33 EUA, Nova Jersey
http://www.publicproxyservers.com/page1.html http://209.66.123.8 EUA
http://www.publicproxyservers.com/page2.html http://209.66.123.8 EUA
http://www.publicproxyservers.com/page3.html http://209.66.123.8 EUA
http://www.publicproxyservers.com/page4.html http://209.66.123.8 EUA
http://www.publicproxyservers.com/page5.html http://209.66.123.8 EUA
http://www.rabbitandpork.com/webmsn http://212.227.62.18 Alemanha
http://www.racewarkingdoms.com http://204.14.95.74 EUA
http://www.researchhaven.com/Chat.htm http://65.163.27.2 EUA, Califórnia
http://www.saturn64bit.us/~upup/webproxy/web_proxy.cgi http://216.193.201.60 EUA, Hollywood-CA
http://www.thevirtualbrowser.com http://69.56.221.154 EUA
http://www.tya.1st.ne.jp/~alisa/webproxy/web_proxy.cgi http://210.172.192.31 Japão
http://www.unipeak.com http://207.234.129.8 EUA, Flórida
http://www.wbmsn.net http://66.226.14.81 EUA, Califórnia
http://www.wbmsn.net/default.aspx http://66.226.14.81 EUA, Califórnia
http://www.web2messenger.com http://70.85.188.186 EUA
http://www.webmsn.net http://64.209.230.200 EUA, Carolina do Norte
http://www.webtal.com.br/imagens/msn.html http://200.205.187.76 Brasil, Águas de Lindóia-SP
http://www.Wproxy.com http://64.92.168.219 EUA, Alexandria-VI
http://www1.meebo.com URL não existe mais
http://www18.tok2.com/home/abilitiz/cgi-bin/webproxy/web_proxy.cgi http://58.81.102.67 Japão
http://www2.meebo.com http://69.36.226.102 EUA, Connecticut
http://www21.big.or.jp/~apollo/webpro/web_proxy.cgi http://210.197.72.121 Japão
http://www3.meebo.com http://69.36.226.103 EUA, Connecticut
http://www4.meebo.com http://69.36.226.132 EUA, Connecticut
http://www4.vc-net.ne.jp/~go22/web_proxy.cgi http://210.228.173.153 Japão
http://www5.meebo.com http://69.36.226.133 EUA, Connecticut
http://www6.meebo.com http://216.129.112.81 EUA
http://www7.meebo.com http://69.36.226.142 EUA
http://www8.meebo.com http://69.36.226.143 EUA
http://www9.meebo.com http://69.36.226.141 EUA
http://www10.meebo.com http://69.36.226.160 EUA
http://www11.meebo.com http://69.36.226.165 EUA
http://www12.meebo.com http://69.36.226.170 EUA
http://www13.meebo.com http://69.36.226.175 EUA
http://www14.meebo.com http://69.36.226.180 EUA
http://www15.meebo.com http://69.36.226.185 EUA
http://www16.meebo.com http://216.129.112.66 EUA
http://www17.meebo.com http://216.129.112.71 EUA
http://www18.meebo.com http://216.129.112.76 EUA
http://www19.meebo.com http://216.129.112.86 EUA
http://x1.iloveim.com http://216.32.66.235 EUA, Dallas-TX
http://x10.iloveim.com http://72.21.56.243 EUA, Snowshoe-WV
http://x2.iloveim.com http://72.21.56.244 EUA, Snowshoe-WV
http://x3.iloveim.com http://64.92.172.108 EUA, Dallas-TX
http://x4.iloveim.com http://216.32.84.236 EUA, Houston-TX
http://x5.iloveim.com http://216.32.84.237 EUA, Houston-TX
http://x6.iloveim.com http://72.21.57.83 EUA, Alexandria-VI
http://x7.iloveim.com http://72.21.57.84 EUA, Alexandria-VI
http://x8.iloveim.com http://72.36.146.43 EUA, Dallas-TX
http://x9.iloveim.com http://72.36.146.44 EUA, Dallas-TX
http://zimage.dk http://83.88.175.147 Dinamarca
https://anonym.to http://80.190.192.48 Alemanha
https://anonynizer.com http://64.202.167.129 EUA, Scottsdale-AR
https://orcut.com http://64.233.171.85 EUA, Mountain View
https://www.orcit.com http://64.233.171.85 EUA, Mountain View
https://www.proxyfi.com http://69.72.202.33 EUA, Nova Jersey
https://www.publicproxyserves.com/page1.html http://209.66.123.8 EUA
https://www.publicproxyserves.com/page2.html http://209.66.123.8 EUA
https://www.publicproxyserves.com/page3.html http://209.66.123.8 EUA
https://www.publicproxyserves.com/page4.html http://209.66.123.8 EUA
https://www.publicproxyserves.com/page5.html http://209.66.123.8 EUA
http://mob.e-messenger.net http://193.238.160.69 Alemanha
www.anonycat.com http://216.92.19.171 EUA, Pittsburgh-PE
www.anonymouse.com URL não existe mais
www.anonysite.com http://64.202.167.129 EUA, Scottsdale-AR
www.cgi-proxy.net http://64.21.87.206 EUA, Melville-NY
www.hidemyass.com http://72.232.10.226 EUA, Dallas-TX
www.secure-tunnel.com URL não existe mais
http://193.238.160.63 Alemanha
http://193.238.160.64 Alemanha
http://193.238.160.65 Alemanha
http://193.238.160.66 Alemanha
http://193.238.160.67 Alemanha
http://193.238.160.69 Alemanha
http://193.238.160.70 Alemanha
http://193.238.160.72 Alemanha
http://193.238.160.74 Alemanha
http://193.238.160.76 Alemanha
http://193.238.160.77 Alemanha
http://193.238.160.78 Alemanha
http://193.238.160.79 Alemanha
http://193.238.160.80 Alemanha
http://193.238.160.81 Alemanha
http://193.238.160.82 Alemanha
http://193.238.160.83 Alemanha
http://193.238.160.85 Alemanha
http://193.238.160.86 Alemanha
http://193.238.160.87 Alemanha
http://193.238.160.88 Alemanha
http://193.238.160.89 Alemanha
http://193.238.160.90 Alemanha
http://193.238.160.91 Alemanha
http://193.238.160.92 Alemanha
http://209.34.241.67 EUA, Charlote-CN
http://212.19.193.108:8080/servlet/login Portugal, Coimbra
http://212.26.216.247/ Holanda, Amsterdã
http://212.32.66.234/ Inglaterra
http://216.032.66.236/ EUA, Dallas-TX
http://216.32.066.236/ EUA, Dallas-TX
http://64.233.171.84 EUA, Mountain View
http://64.235.246.143/ EUA, Los Angeles-CA
http://66.49.178.233 Canadá, Mississauga-ON
http://72.21.057.83/ EUA, Alexandria-VI
http://85.184.04.06/ Holanda, Amsterdã
http://85.184.4.10 Holanda, Amsterdã
http://85.184.4.11 Holanda, Amsterdã
http://85.184.4.12 Holanda, Amsterdã
http://85.184.4.13 Holanda, Amsterdã
http://85.184.4.14 Holanda, Amsterdã
http://85.184.4.2 Holanda, Amsterdã
http://85.184.4.3 Holanda, Amsterdã
http://85.184.4.4 Holanda, Amsterdã
http://85.184.4.5 Holanda, Amsterdã
http://85.184.4.6 Holanda, Amsterdã
http://85.184.4.7 Holanda, Amsterdã
http://85.184.4.8 Holanda, Amsterdã
http://85.184.4.9 Holanda, Amsterdã
https://193.238.160.78/ Alemanha
https://64.233.171.84 EUA, Mountain View
https://64.233.171.85 EUA, Mountain View
https://64.233.171.85/GLogin.aspx EUA, Mountain View
https://64.233.171.85:8080 EUA, Mountain View
http://216.32.66.235 EUA, Dallas
http://216.129.112.88 EUA
http://216.129.112.87http://www.http-tunnel.com/HTTPTunnelInstallerv403040.exe
http://www.xanproxy.be/ - no ads except the first page.
http://ieproxy.com/ - no ads.
http://www.techtakeover.com/search/ - no ads.
http://www.spysurfing.com/ - no ads except front page.
http://www.myfreeproxy.be/ - ads on the front page
http://worldwideproxy.com/ - no ads.
http://www.proxytastic.com/ - contains ads.
http://www.nomorelimits.net/ - contains ads.
http://www.proxifree.com/ - contains ads.
http://browseatwork.com/ - contains ads, but clean looking
http://www.netsack.net/ - clean looking but with popup ads.
http://www.afreeproxy.com/ - contains ads.
http://cgi-proxy.net/ - contains ads on the first page, slow.
http://www.coveredtracks.com/homepage.php - no ads. but rugged site.
http://www.easyproxy.org/ - no ads except the first page.
http://www.privatizer.net/ - contains ads on the first page.
http://www.secure-tunnel.com/ - no ads.
http://www.spiderproxy.com/ - no ads.
http://thestrongestlinks.com/ - contains ads on the first page, slow.
http://www.unipeak.com/ - slow, no ads.
http://betaproxy.com/ - contains ads.
http://proxy7.com/ - contains ads.
http://webwarper.net/ - contains ads.
http://www.chronicpulse.net/ - contains ads.
http://www.space.net.au/~thomas/quickbrowse.html - multiple proxys
http://www.proxyking.net/ - contains ads.
http://w3privacy.com/ - contains ads.
http://freeproxy.us/ - contains ads.
http://www.goproxing.com/ - contains ads.
http://greenrabbit.org/ - contains ads but small ads
http://hujiko.com/ - contains ads.
http://poxy.us.to/ - no ads.
http://hidemyass.com - no ads except front page.
https://proxify.com/ - contains ads.
http://projectbypass.com/ - contains ads and popups.
http://www.proxymouse.com/ - contains huge ads.
http://letsproxy.com - contains ads.
http://www.the-cloak.com/login.html - no ads.